Cisco pix Warning, DHCP pool range is limited to 256 addresses

I need to use a class B subnet and when I put in the command

dhcpd address inside
I get the error message Warning, DHCP pool rang is liminted to 256 address

the inside ip address is

CPUSpix# show ver

Cisco PIX Firewall Version 6.3(4)
Cisco PIX Device Manager Version 3.0(2)

Compiled on Fri 02-Jul-04 00:07 by morlee

CPUSpix up 44 days 10 hours

Hardware:   PIX-515E, 64 MB RAM, CPU Pentium II 433 MHz
Flash E28F128J3 @ 0x300, 16MB
BIOS Flash AM29F400B @ 0xfffd8000, 32KB

0: ethernet0: address is 0014.1c81.fd52, irq 10
1: ethernet1: address is 0014.1c81.fd53, irq 11
2: ethernet2: address is 000e.0c75.9cac, irq 11
Licensed Features:
Failover:                    Disabled
VPN-DES:                     Enabled
VPN-3DES-AES:                Disabled
Maximum Physical Interfaces: 3
Maximum Interfaces:          5
Cut-through Proxy:           Enabled
Guards:                      Enabled
URL-filtering:               Enabled
Inside Hosts:                Unlimited
Throughput:                  Unlimited
IKE peers:                   Unlimited

Who is Participating?
egyptcoConnect With a Mentor Commented:
I'm afraid this is right. it is a software limitation. you going to need external dhcp server.
BilbotooAuthor Commented:
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